This gel with QR code can accurately detect Covid in hundreds of people at one go – ET HealthWorld
London: Researchers have developed a hydroalcoholic gel with a QR code that enables people to access a test that assesses their ability to identify the smell of the product and eight symptoms of Covid, instantly evaluating the risk of having the deadly respiratory disease. The team from Spain’s Universitat Rovira i Virgili, in conjunction with … Read more